The population density of a certain city is approximately 10,000 people per square mile. If the area of the city is 67.4 square miles, approximately how many people live in the city?
To calculate the approximate population of the city, we can multiply the population density by the area of the city:
10,000 people per square mile * 67.4 square miles = 674,000 people
Approximately 674,000 people live in the city.